chi-square test

chi-square test:

see statisticsstatistics,science of collecting and classifying a group of facts according to their relative number and determining certain values that represent characteristics of the group......Click the link for more information..

chi-square test

[′kī ¦skwer ′test]

(statistics)

A generalization, and an extension, of a test for significant differences between a binomial population and a multinomial population, wherein each observation may fall into one of several classes and furnishes a comparison among several samples instead of just two.

The chi-square test also was used to examine whether the 5-year revenue change responses (more than doubled, increased but not doubled, about the same, smaller) were independent of firm size (small, medium, large).

In order to examine if specific trends or patterns are present in this sample of racial discrimination complaints over the study period, we divided the study period into two sub-periods--1980s and 1990s--and applied a Chi-square test to examine if there are significant differences in the characteristics of racial discrimination complaints between the two sub-periods.

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